A maraca beat underlies a work by this composer in which notes of a chord are held progressively longer by four organs. He set the Hebrew text of four psalms for shrill women's voices in Tehillim. One of his works begins and ends with eleven chords organized into pulses. Works by this composer that pair off identical sets of instruments include 2x5 and (*) Double Sextet. One of his pieces is divided into parts depicting America before World War II and Europe during it. That work has a string quartet mimic the rhythms of recordings of Holocaust 
A maraca beat underlies a work by this composer in which notes of a chord are held progressively longer by four organs. He set the Hebrew text of four psalms for shrill women's voices in Tehillim. One of his works begins and ends with eleven chords organized into pulses. Works by this composer that pair off identical sets of instruments include 2x5 and (*) Double Sextet. One of his pieces is divided into parts depicting America before World War II and Europe during it. That work has a string quartet mimic the rhythms of recordings of Holocaust survivors, this man's caretaker, and a former Pullman porter describing travel in the title vehicles. For 10 points, name this minimalist composer of Music for 18 Musicians and Different Trains.
A maraca beat underlies a work by this composer in which notes of a chord are held progressively longer by four organs.
Stephen Michael {Reich}